AS3257 64.81.0.0/19 CIDR and IP Range Summary.ASN: 3257 - GTT Communications Inc.Host Count: 8190Addressable IPs: 819264.81.0.0/2464.81.1.0/2464.81.2.0/2464.81.3.0/2464.81.4.0/2464.81.5.0/2464.81.6.0/2464.81.7.0/2464.81.8.0/2464.81.9.0/2464.81.10.0/2464.81.11.0/2464.81.12.0/2464.81.13.0/2464.81.14.0/2464.81.15.0/2464.81.16.0/2464.81.17.0/2464.81.18.0/2464.81.19.0/2464.81.20.0/2464.81.21.0/2464.81.22.0/2464.81.23.0/2464.81.24.0/2464.81.25.0/2464.81.26.0/2464.81.27.0/2464.81.28.0/2464.81.29.0/2464.81.30.0/2464.81.31.0/24